3900141

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1997}}^1$

素因数の和:2041

約数の個数: 24

約数和(自身を含む): 6649344

約数和(自身を除く): 2749203

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 1997, 5991, 13979, 17973, 41937, 61907, 125811, 185721, 433349, 557163, 1300047, 3900141]

約数ペア:

[(1, 3900141), (3, 1300047), (7, 557163), (9, 433349), (21, 185721), (31, 125811), (63, 61907), (93, 41937), (217, 17973), (279, 13979), (651, 5991), (1953, 1997)]